🐦

Hawaiian Duck

Anas wyvilliana

Vulnerable

날개 폭

44.0 cm

체중

573.25 g

과

Anatidae

목

Anseriformes

On this page

소개

하와이 오리 또는 콜로아 마올리는 하와이 제도에서만 서식하는 멸종위기종 오리입니다. 말라드와 형태학적으로 유사하지만 유전적으로 구별되며, 서식지 보호와 번식 프로그램이 진행 중입니다.

Physical Description

Measurement	Value	Imperial
날개 폭	44.0 cm	17.3 in
체중	573.25 g	20.22 oz

식별

깃털

Mottled brown plumage; males may show slight green gloss on head but reduced compared to Mallard. Iridescent blue-purple speculum with white borders. Orange bill. Females similar to males; pale buff supercilium.

Habitat & Range

Freshwater marshes, rivers, reservoirs, and taro fields on Kauai and other Hawaiian islands. Nests in dense vegetation near water. Threatened by hybridization with domestic or feral Mallards.

🌿 Wetland 🏖️ Coastal

분포 지역

Ranges across sub-Saharan Africa in open grasslands and wetland edges. Locally nomadic following seasonal rainfall patterns.

Diet & Feeding

Fish-diving duck of South American rivers; uses serrated bill to catch fish and aquatic invertebrates; diet mainly fish year-round.

보전 상태

Vulnerable

IUCN Red List

행동 및 번식

둥지

Nest type: HC.

산란 수

9-13

소리

노래

Female produces a raspy, descending quacking series; male gives a soft, nasal sound. Calls similar to Mallard but higher-pitched; alarm is a rapid-fire quacking rattle.

분류학

Kingdom	Animalia
Phylum	Chordata
Class	Aves
목	Anseriformes (Waterfowl)
과	Anatidae (Ducks, Geese & Swans)
Genus	Anas
종	Anas wyvilliana

Distribution

Hawaiian Duck has been recorded in 5 countries.

{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}

출현 Not recorded

countries highlighted

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom

External Databases

자주 묻는 질문

What does the Hawaiian Duck eat?

Fish-diving duck of South American rivers; uses serrated bill to catch fish and aquatic invertebrates; diet mainly fish year-round.

Where does the Hawaiian Duck live?

Freshwater marshes, rivers, reservoirs, and taro fields on Kauai and other Hawaiian islands. Nests in dense vegetation near water. Threatened by hybridization with domestic or feral Mallards.

Is the Hawaiian Duck endangered?

The Hawaiian Duck has a conservation status of Vulnerable.

How does the Hawaiian Duck nest?

Nest type: HC.

What does the Hawaiian Duck sound like?

Female produces a raspy, descending quacking series; male gives a soft, nasal sound. Calls similar to Mallard but higher-pitched; alarm is a rapid-fire quacking rattle.

How big is the Hawaiian Duck?

The Hawaiian Duck has a wingspan of 44.0 cm, weight of 573.25 g.

What order and family does the Hawaiian Duck belong to?

The Hawaiian Duck (Anas wyvilliana) belongs to the order Anseriformes and the family Anatidae.